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What Do the Abbreviations Found in Results Mean?

When an orienteer does not complete a course, one of the following abbreviations will appear in the finish-time column of the results:

The orienteer did not complete the course. They may have gotten lost, tired, or injured, or they may not have found one or more of the controls. If the orienteer doesn't mention the missing control(s) when they report to the Finish, the E-punch computer will note the missing control(s) or the results crew will notice the missing punch(es) on the (paper) control card.
The orienteer punched at an incorrect control. This happens when someone punches at a control without checking the control code, and it's the wrong control for their course.
Some E-punch software reports "mp" when the orienteer had any control error​—​either punched an incorrect control, or skipped one or more controls.
Occasionally used instead of MSP, but it usually means that the competitor violated an orienteering rule, such as taking controls out of order, running through an out-of-bounds area, getting help from others, or using an illegal navigational aid.
At a National Meet, this indicates that the orienteer took more than the maximum time allowed to complete the course. Under OUSA orienteering rules, unless a longer or shorter time is declared in the meet information, the maximum time allowed is 1 hour for Sprint courses, 3 hours for Long (Classic) courses, 2 hours for Middle (Short) courses, and 5 hours for Ultra Long courses.
At other events, this indicates that the orienteer finished after the announced course-closing time, or took more than the announced maximum time to complete the course.
Indicates that a registered orienteer did not show up to run their course. This is used mainly at National Meets.
The orienteer aborted their course for altruistic reasons. They may have stopped to help an injured orienteer, for example, or discovered a missing control and returned to report it.